SATPC0042582 Tab 04 6 Drawing Rev 1.pdf
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- 80NSSC26942430Q
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This document is a technical drawing specification for helium supply and return lines required for the THERMAS system at NASA-GRC (Glenn Research Center). The drawing was prepared by A. Swanger and is dated 8/13/2026, Revision 1.
The specification details two separate piping spool assemblies designed to transport gaseous helium per ASME B31.3 standards for normal service. Both assemblies utilize 1 x 2-1/2 VJ piping with 1 x 2-1/2 bayonet connections and feature male bayonet fittings with rotating backing flanges (Linde P/N 80551137) and 1 x 2-1/2 female bayonet with plug connections. The supply line assembly measures 177.00 inches in total length with a 156.00-inch vertical drop, while the return line assembly measures 188.00 inches in total length with a 148.00-inch vertical drop. All dimensions are specified in inches at defined scales (0.050 and 0.040). The two spools are independent units designed to integrate into the larger THERMAS helium circulation system.
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Other files
| File | Type | Posted |
|---|---|---|
| SATPC0042582 Tab 10 RFQ Open Market.pdf | ||
| SATPC0042582 Tab 04 4 Specification Rev 0.pdf | ||
| SATPC0042582 Tab 04 5 SOW Rev 1.pdf |
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Text version
19.00
34.20
156.00
177.00
87.12596.000
NOTES
1. ALL UNITS IN INCHES
2. PROCESS FLUID: GASEOUS HELIUM
3. PIPING PER ASME B31.3 FOR NORMAL SERVICE
THERMAS HELIUM SUPPLY LINE
A. SWANGER, NASA-GRC
8/13/2026 Rev 1
SCALE .040
MALE BAYONET W/ROTATING BACKING FLANGE
LINDE P/N 80551137
1 x 2-1/2 VJ PIPING
1 x 2-1/2 BAYONET CONNECTION
(TWO SEPERATE SPOOLS)
1 x 2-1/2 FEMALE BAYONET W/PLUG
SCALE .050
19.00
42.20
188.00
148.00
96.000
NOTES
1. ALL UNITS IN INCHES
2. PROCESS FLUID: GASEOUS HELIUM
3. PIPING PER ASME B31.3 FOR NORMAL SERVICE
THERMAS HELIUM RETURN LINE
A. SWANGER, NASA-GRC
8/13/2026 Rev 1
SCALE .040
MALE BAYONET W/ROTATING BACKING FLANGE
LINDE P/N 80551137
1 x 2-1/2 VJ PIPING
1 x 2-1/2 BAYONET CONNECTION
(TWO SEPERATE SPOOLS)
1 x 2-1/2 FEMALE BAYONET W/PLUG
SCALE .050
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